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| author | marha <marha@users.sourceforge.net> | 2010-08-06 10:19:28 +0000 |
|---|---|---|
| committer | marha <marha@users.sourceforge.net> | 2010-08-06 10:19:28 +0000 |
| commit | 6849d83857b4e470a44ad8b6aa5cfb283fd64c89 (patch) | |
| tree | 40ebbd846199f362c01196efdbe681a3b2c7d7c2 /pixman/test/utils.h | |
| parent | 47ed6413ce8f2586b8d542dc46055e075a47022e (diff) | |
| download | vcxsrv-6849d83857b4e470a44ad8b6aa5cfb283fd64c89.tar.gz vcxsrv-6849d83857b4e470a44ad8b6aa5cfb283fd64c89.tar.bz2 vcxsrv-6849d83857b4e470a44ad8b6aa5cfb283fd64c89.zip | |
pixman git update 6/8/2010
Diffstat (limited to 'pixman/test/utils.h')
| -rw-r--r-- | pixman/test/utils.h | 109 |
1 files changed, 64 insertions, 45 deletions
diff --git a/pixman/test/utils.h b/pixman/test/utils.h index fb1ccec48..39b49b2c1 100644 --- a/pixman/test/utils.h +++ b/pixman/test/utils.h @@ -1,45 +1,64 @@ -#include <stdlib.h> -#include <config.h> -#include "pixman-private.h" /* For 'inline' definition */ - -/* A primitive pseudorandom number generator, - * taken from POSIX.1-2001 example - */ - -extern uint32_t lcg_seed; - -static inline uint32_t -lcg_rand (void) -{ - lcg_seed = lcg_seed * 1103515245 + 12345; - return ((uint32_t)(lcg_seed / 65536) % 32768); -} - -static inline void -lcg_srand (uint32_t seed) -{ - lcg_seed = seed; -} - -static inline uint32_t -lcg_rand_n (int max) -{ - return lcg_rand () % max; -} - - -/* CRC 32 computation - */ -uint32_t -compute_crc32 (uint32_t in_crc32, - const void *buf, - size_t buf_len); - -/* perform endian conversion of pixel data - */ -void -image_endian_swap (pixman_image_t *img, int bpp); - -/* Generate n_bytes random bytes in malloced memory */ -uint8_t * -make_random_bytes (int n_bytes); +#include <stdlib.h>
+#include <config.h>
+#include "pixman-private.h" /* For 'inline' definition */
+
+/* A primitive pseudorandom number generator,
+ * taken from POSIX.1-2001 example
+ */
+
+extern uint32_t lcg_seed;
+#ifdef USE_OPENMP
+#pragma omp threadprivate(lcg_seed)
+#endif
+
+static inline uint32_t
+lcg_rand (void)
+{
+ lcg_seed = lcg_seed * 1103515245 + 12345;
+ return ((uint32_t)(lcg_seed / 65536) % 32768);
+}
+
+static inline void
+lcg_srand (uint32_t seed)
+{
+ lcg_seed = seed;
+}
+
+static inline uint32_t
+lcg_rand_n (int max)
+{
+ return lcg_rand () % max;
+}
+
+static inline uint32_t
+lcg_rand_N (int max)
+{
+ uint32_t lo = lcg_rand ();
+ uint32_t hi = lcg_rand () << 15;
+ return (lo | hi) % max;
+}
+
+/* CRC 32 computation
+ */
+uint32_t
+compute_crc32 (uint32_t in_crc32,
+ const void *buf,
+ size_t buf_len);
+
+/* perform endian conversion of pixel data
+ */
+void
+image_endian_swap (pixman_image_t *img, int bpp);
+
+/* Generate n_bytes random bytes in malloced memory */
+uint8_t *
+make_random_bytes (int n_bytes);
+
+/* main body of the fuzzer test */
+int
+fuzzer_test_main (const char *test_name,
+ int default_number_of_iterations,
+ uint32_t expected_checksum,
+ uint32_t (*test_function)(int testnum, int verbose),
+ int argc,
+ const char *argv[]);
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